Water bottle cap



FIG. 1 is a top and left perspective view of a water bottle cap showing my new design;

FIG. 2 is a perspective view showing an unfolding state of FIG. 1;

FIG. 3 is a right and bottom perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

FIG. 8 is a top plan view thereof; and,

FIG. 9 is a bottom plan view thereof. 

CLAIM The ornamental design for a water bottle cap, as shown and described. 